2.1.3.15 moiramide B bound to carboxyltransferase, sitting drop vapor diffusion method, using 0.1 M MES (pH 5.0) and 1.6 M NH4SO4 2.1.3.15 vapor diffusion method, using 1 M NaH2PO4, 1 M K2HPO4, 0.2 M Li2SO4, and 0.1 M CAPS at pH 9.5 2.1.3.15 vapor diffusion method, using 30% (w/v) PEG-400, 0.1 M HEPES at pH 8.0, and 0.2 M MgCl2